Bug 1192482 (CVE-2015-2304)

Summary:	CVE-2015-2304 libarchive: directory traversal in bsdcpio
Product:	[Other] Security Response	Reporter:	Vasyl Kaigorodov <vkaigoro>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	ndevos, praiskup, sisharma, slawomir
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	libarchive 3.2.0	Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2015-08-22 06:21:22 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1192488, 1192489
Bug Blocks:	1225846

Description Vasyl Kaigorodov 2015-02-13 13:48:49 UTC

It was reported [1] that bsdcpio tool from libarchive bundle is susceptible to a directory traversal vulnerability via absolute paths.

Initial discussion:
http://www.openwall.com/lists/oss-security/2015/01/07/5

Upstream report:
https://groups.google.com/d/msg/libarchive-discuss/dN9y1VvE1Qk/Z9uerigjQn0J

Proposed (minimal) fix (non-Windows):
https://groups.google.com/group/libarchive-discuss/attach/a78932ecb50340ae/0001-Quick-n-dirty-fix-for-bsdcpio-directory-traversal-vu.patch?part=0.1

Discussion is ongoing, no upstream fix is available yet.

[1]: http://seclists.org/oss-sec/2015/q1/145

Comment 1 Vasyl Kaigorodov 2015-02-13 14:05:55 UTC

Created libarchive tracking bugs for this issue:

Affects: fedora-all [bug 1192488]
Affects: epel-all [bug 1192489]

Comment 2 Vincent Danen 2015-08-22 06:21:10 UTC

Statement:

Red Hat Product Security has rated this issue as having Low security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.

Comment 4 Doran Moppert 2016-06-24 02:25:44 UTC

Upstream patch:

    https://github.com/libarchive/libarchive/commit/5935715